1. Department of Nurse‐Midwifery Oregon Health & Science University School of Nursing Portland Oregon
2. Department of Obstetrics and Gynecology Oregon Health & Science University School of Medicine Portland Oregon
3. Vanderbilt University School of Nursing Nashville Tennessee
4. Karolinska Institute Stockholm Sweden
5. Department of Obstetrics and Gynecology University of California San Francisco California
6. Boston College School of Nursing Boston Massachusetts
7. School of Public Health Oregon Health & Science University and Portland State University Portland Oregon